package com.xrc;

import java.util.Scanner;

public class Exercise04 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int c=sc.nextInt();
        int sum1=a+b;
        int sum2=a+c;
        int sum3=b+c;
        if(sum1>c&&sum2>b&&sum3>a){
            System.out.println("这三个数能构成三角形");
        }else {
            System.out.println("这三个数不能构成三角形");
        }
    }
}
